Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake 1997, nom. cl. inval. - ecdysozoans see Clade Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake 1997 [Lake, Halanych, Servin & Garey 2020]
   Panarthropoda Nielsen, 1995 - panarthropods
     Arthropoda Siebold, 1848 - arthropods see Phylum Arthropoda Siebold, 1848
       Mandibulata see Subphylum Mandibulata Snodgrass, 1938
         Hexapoda - insects see Epiclass Hexapoda Latreille, 1825
           1 Collembola Lubbock, 1870 see Order Collembola Lubbock, 1870
           2.1 Diplura Börner, 1904
           2.2 Insecta Linnaeus, 1758 - insects see Class Insecta Linnaeus, 1758